United Scientific™ Photogates w/ Brackets, 1 Pair

Timing capacity: 23 hours / 59 minutes / 59 seconds Clock feature Last time set memory Lay flat on a bench, use the flip-open stand for a vertical view, carry it on a lab coat with the convenient pocket clip, or use the magnetic back for metal surface attachment Requires one LR44 battery (included) Features a Certificate of Calibration and individual serial number, these electronic timers are tested and calibrated in H-B's exclusive triple accredited/registered ISO/IEC 17025:2017, A2LA accredited laboratory (Cert #2448.01), against equipment whose calibration is traceable to NIST. ...

This single channel timer is switchable between 19hours:59minutes and 99minutes:59seconds, and has three key operation for ease of use. Count direction: up/down Last time set memory Audible alarm; displays elapsed time after countdown Mounting options: lay flat on bench, flip-open stand for vertical view, magnetic back for metal surface attachment Requires one AAA battery (included) Features a Certificate of Calibration and individual serial number, these electronic timers are tested and calibrated in H-B's exclusive triple accredited/registered ISO/IEC 17025:2017, A2LA accredited ...

Firmly holds test-tubes, burettes and other labware in place. Spring action, stainless steel jaws have a flat wing-head screw for tightening Jaws are covered with rubber tubing for increased friction and a soft grip Opening range of 0 to 25mm (1") Overall clamp length: 22cm (9")

Choice of vibration, sound and/or light alarms makes this timer perfect for high noise locations. Switchable timing capacity: 19 hours: 59 minutes / 99 minutes: 59 seconds Count direction: up/down; displays elapsed time after countdown Last time set memory Vibration, light and loud buzzer sound alarms can function at one time, or be independently turned off Key press confirmation feature gives an audible indication of data entry Lay flat on a bench, use the flip-open stand for a vertical view, carry it on a lab coat with the convenient pocket clip, or use the magnetic back for metal ...

Single channel timer has three key operation for ease of use. Timing capacity: 99 minutes: 59 seconds Count direction: up/down Last time set memory Audible alarm; displays elapsed time after countdown Mounting options: lay flat on bench, stand on edge for vertical view, magnetic back for metal surface attachment Requires one AAA battery (included) Features a Certificate of Calibration and individual serial number, these electronic timers are tested and calibrated in H-B's exclusive triple accredited/registered ISO/IEC 17025:2017, A2LA accredited laboratory (Cert #2448.01), against ...